Siemens SINUMERIK 840Di sl Programming Manual page 102

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Positional Data

3.6 Zero offset frame, (G54 to G57, G505 to G599, G53, G500/SUPA)

Switching on zero offset, G54 to G57

In the NC program, the zero offset is moved from the machine coordinate system to the

workpiece coordinate system by executing one of the four commands G54 to G57.

In the next NC block with a programmed movement, all of the positional parameters and thus

the tool movements refer to the workpiece zero, which is now valid.

The 4 available zero offsets can be used, for example, for multiple machining operations, to

describe 4 workpiece clamping positions simultaneously and execute them in the program.

Programming Manual, 11/2006, 6FC5398-1BP10-2BA0

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